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PreprintarXiv licencearXiv

Timing-Window Mechanism for Chain-Like Transients in Collisions of Radially Excited Boson Stars

  • Bo-Xuan Ge
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Abstract

We show that chain-like transients in head-on collisions of radially excited boson stars are controlled by the binary collision time, not by radial excitation alone. For selected n=2, λ=400 self-interacting configurations, isolated evolutions define breathing windows that serve as reference clocks. Numerical-relativity simulations show that visible chains form only when the collision time is compatible with the isolated breathing clock. A separation scan shifts the collision time relative to the same clock, confirming the timing-window mechanism. An additional fixed-separation check at λ=500 shows the same event ordering, indicating that the observed pattern is not unique to the fiducial self-interaction strength.

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Cite

BibTeXRIS
BibTeX
@misc{ge2026timingwindow,
  title = {{Timing-Window Mechanism for Chain-Like Transients in Collisions of Radially Excited Boson Stars}},
  author = {Bo-Xuan Ge},
  howpublished = {arXiv},
  year = {2026},
  month = sep,
  doi = {10.48550/arxiv.2605.19572},
  eprint = {2605.19572},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2605.19572},
}
RIS
TY  - UNPB
TI  - Timing-Window Mechanism for Chain-Like Transients in Collisions of Radially Excited Boson Stars
AU  - Bo-Xuan Ge
PY  - 2026
DA  - 2026/09/09
PB  - arXiv
DO  - 10.48550/arxiv.2605.19572
UR  - https://arxiv.org/abs/2605.19572
AB  - We show that chain-like transients in head-on collisions of radially excited boson stars are controlled by the binary collision time, not by radial excitation alone. For selected n=2, λ=400 self-interacting configurations, isolated evolutions define breathing windows that serve as reference clocks. Numerical-relativity simulations show that visible chains form only when the collision time is compatible with the isolated breathing clock. A separation scan shifts the collision time relative to the same clock, confirming the timing-window mechanism. An additional fixed-separation check at λ=500 shows the same event ordering, indicating that the observed pattern is not unique to the fiducial self-interaction strength.
ER  -